Volume 19, Issue 4 (December - In Press 2021)                   Iranian Rehabilitation Journal 2021, 19(4): 0-0 | Back to browse issues page


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Khatoonabadi A R, Aghajanzadeh M, Maroufizadeh S, Vahabi Z, Safaeian A. The Persian Version of Verbal Fluency Test: Psychometric Properties among Normal Persian Speakers and Those with Alzheimer’s disease and Mild Cognitive Impairment. Iranian Rehabilitation Journal. 2021; 19 (4)
URL: http://irj.uswr.ac.ir/article-1-1404-en.html
1- Department of Speech Therapy, School of Rehabilitation, Tehran University of Medical Sciences, Tehran, Iran.
2- School of Nursing and Midwifery, Guilan University of Medical Sciences, Rasht, Iran. 4 Independent researcher.
3- Geriatric Medicine Department, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran.
4- Independent Researcher.
Abstract:   (498 Views)
Objectives: Phonemic and semantic fluency tasks are used for verbal fluency (VF) evaluation. The present study aimed to select the most appropriate semantic categories and the most frequent phonemes of Persian as items on the verbal fluency test, and then determine their results in differentiation between cognitively intact people and those with cognitive impairment (mild cognitive impairment (MCI) and Alzheimer’s disease (AD)).
Methods: A cross-sectional study was done on 120 people (60 cognitively intact, 30 with AD, and 30 with MCI) in two phases. At first, the most frequent phonemes at the beginning of Persian words and the most frequent semantic categories were determined based on a survey of linguists. After that, the verbal fluency test was administered to cognitively intact people and those with cognitive impairment (AD and MCI). One-way ANOVA and multiple linear regression were used for statistical analysis.
Results: The normal subjects scored significantly higher for all phonemic and semantic fluency tasks than the patients with AD and patients with MCI (P<0.05). In phonemic VF task, the phonemes /sh/, /s/, and then /a/  were better to differentiate the MCI and AD groups from the normal group; in the semantic VF task, the animals’ category was better differentiated the MCI and AD groups from the normal group.
Discussion: The comparison of frequent phonemes and semantic categories of Persian across three groups of normal, AD, and MCI showed that some phonemes and semantic categories in VF task can be more differentiating. Totally, it is a preliminary validation study and needs more studies in the future.
 
     
Article type: Original Research Articles | Subject: Speech therapy
Received: 2021/06/28 | Accepted: 2021/09/14 | Published: 2021/12/19

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